Using O, CC=CC[C@H](C[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CC(C)(C)CCO)C(=O)NCCCC to produce CC=CC[C@H](C[C@@H]1OC(C)(C)N(C(=O)OC(C)(C)C)[C@H]1CC(C)(C)CC(=O)O)C(=O)NCCCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.