Using COC(=O)CCn1c(=O)c2c(C)c(-c3ccc(Cl)cc3)sc2n(C)c1=O to produce Cc1c(-c2ccc(Cl)cc2)sc2c1c(=O)n(CCCO)c(=O)n2C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.