Using CCC(=O)Cl, CCOC(=O)NC1CCc2ccc(OCCN)cc2C1Cc1ccc(Cl)c(Cl)c1 to produce CCOC(=O)NC1CCc2ccc(OCCNC(=O)CC)cc2C1Cc1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.