Using CC(=O)Nc1nc(-c2ccc(CCNC(NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)cc2)cs1 to produce CC(=O)Nc1nc(-c2ccc(CCNC(=N)N)cc2)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.