Using CCN(CC)CCNc1ccc(-n2ccc(OCc3ccccc3)cc2=O)cc1, C=O to produce CCN(CC)CCN(C)c1ccc(-n2ccc(OCc3ccccc3)cc2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.