Using O=C(O)c1ccc2cc(-c3c(Cl)cccc3Cl)[nH]c2c1, Nc1nc2cccnc2s1 to produce O=C(Nc1nc2cccnc2s1)c1ccc2cc(-c3c(Cl)cccc3Cl)[nH]c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.