Using CN(C)C1(c2ccccc2)CCC(C(O)COc2ccccc2)CC1 to produce CN(C)C1(c2ccccc2)CCC(C(=O)COc2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.