Using COC(=O)C(C)(C)[C@H]1CC[C@@H](N(C)C)CC1 to produce CN(C)[C@H]1CC[C@@H](C(C)(C)C(=O)O)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.