Using COc1cc(Cl)c(CC2CCN(C3CCc4n[nH]cc4C3)C2=O)c(Cl)c1 to produce O=C1C(Cc2c(Cl)cc(O)cc2Cl)CCN1C1CCc2n[nH]cc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.