Using CCCC(CC(C)=O)C(=O)OCC, CC(=O)N1CCc2c(sc(N)c2C(=O)c2ccc(C)cc2)C1 to produce CCCC(C(=O)OCC)c1c(C)nc2sc3c(c2c1-c1ccc(C)cc1)CCN(C(C)=O)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.