Using CC(=O)N1CCN(c2ccc(CCc3ccc(CCNC(=O)NNC(=O)OC(C)(C)C)s3)nc2)CC1 to produce CC(=O)N1CCN(c2ccc(CCc3ccc(CCNC(=O)NN)s3)nc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.