Using CCCCI, Cn1c(=O)[nH]c(=O)c2c1ncn2Cc1ccc(C(=O)c2ccc(Cl)cc2)cc1 to produce CCCCn1c(=O)c2c(ncn2Cc2ccc(C(=O)c3ccc(Cl)cc3)cc2)n(C)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.