Using c1ccc2c3c([nH]c2c1)CCNC3CN1CCCCC1, O=C(Cl)Cc1ccc(Cl)c(Cl)c1 to produce O=C(Cc1ccc(Cl)c(Cl)c1)C1(CN2CCCCC2)NCCc2[nH]c3ccccc3c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.