Using COC(=O)CCn1c(=O)c2c(Cc3ccc(Cl)cc3)c(-c3ccc(Cl)cc3)sc2n(C)c1=O to produce Cn1c(=O)n(CCCO)c(=O)c2c(Cc3ccc(Cl)cc3)c(-c3ccc(Cl)cc3)sc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.