Using O=C(CCCc1c[nH]nn1)NC1CC2CCC(C1)N2, O=C(Cl)OCc1cc(Cl)cc(Cl)c1 to produce O=C(CCCc1c[nH]nn1)NC1CC2CCC(C1)N2C(=O)OCc1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.