Using O=C1CC2CCc3sccc3C2=NN1c1ccc(Cl)cc1, CC(=O)Cl to produce CC(=O)c1cc2c(s1)CCC1CC(=O)N(c3ccc(Cl)cc3)N=C21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.