Using CC(C)C=O, CC(C)(C)OC(=O)N1CCC(NCc2scnc2Cl)CC1 to produce CC(C)CN(Cc1scnc1Cl)C1CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.