Using COc1ccc(C2=NN(C3CCN(C(=O)CCl)CC3)C(=O)C2(C)C)cc1OC, O=C1CCC(=O)N1 to produce COc1ccc(C2=NN(C3CCN(C(=O)CN4C(=O)CCC4=O)CC3)C(=O)C2(C)C)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.