Using CCCCCC, Cn1ccc(-c2ccc(C(=O)c3cccc4c3Nc3ncccc3CN4)c(Cl)c2)n1 to produce CC1Nc2cccc(C(=O)c3ccc(-c4ccn(C)n4)cc3Cl)c2Nc2ncccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.