Using NNC1=Nc2ccc(Cl)cc2C(c2ccccc2)=NC1, CCN(CC)CCCC(=O)C(=O)O to produce CCN(CC)CCCC(=NNC1=Nc2ccc(Cl)cc2C(c2ccccc2)=NC1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.