Using C[C@@H](c1ccccc1)N1C[C@H](C2(NC(=O)OC(C)(C)C)CC2)CC1=O to produce C[C@@H](c1ccccc1)N1CC[C@@H](C2(NC(=O)OC(C)(C)C)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.