Using COc1ccc(Cl)cc1N1CCN(CCCNc2cnc(C(=O)NCCNC(=O)OC(C)(C)C)cn2)CC1 to produce COc1ccc(Cl)cc1N1CCN(CCCNc2cnc(C(=O)NCCN)cn2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.