Using O=c1cc2c(nn1-c1ccc(Cl)cc1)-c1ccsc1SCC2, CC(=O)Cl to produce CC(=O)c1cc2c(s1)SCCc1cc(=O)n(-c3ccc(Cl)cc3)nc1-2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.