Using O=C(N[C@@H]1CCCC[C@H]1O)C1CN(Cc2ccccc2)CCO1 to produce O=C(N[C@@H]1CCCCC1=O)C1CN(Cc2ccccc2)CCO1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.