Using O=C(O)c1cnn2cccnc12, Nc1c[nH]nc1-c1cccc(Cl)c1 to produce O=C(Nc1c[nH]nc1-c1cccc(Cl)c1)c1cnn2cccnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.