Using CC(=O)CC(C)=O, CC(C)(C)OC(=O)N1CCc2c(sc(N)c2C(=O)c2ccccc2)C1 to produce CC(=O)c1c(C)nc2sc3c(c2c1-c1ccccc1)CCN(C(=O)OC(C)(C)C)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.