Using COc1cc(N2CCN(C(=O)CCl)CC2)ccc1Cl, O=c1[nH]c2cc(Cl)ccc2o1 to produce COc1cc(N2CCN(C(=O)Cn3c(=O)oc4ccc(Cl)cc43)CC2)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.