Using CN(C(=O)OCc1ccccc1)c1ccc(C(=O)N2CCN(CCc3ccc(Cl)cc3)CC2)c(Cl)c1 to produce CNc1ccc(C(=O)N2CCN(CCc3ccc(Cl)cc3)CC2)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.