Using COC(=O)CCC(C)=O, CCc1ccc(C(=O)c2c(N)sc3c2CCCC3)cc1 to produce CCc1ccc(-c2c(CC(=O)OC)c(C)nc3sc4c(c23)CCCC4)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.