Using O=C(O)c1ccc(-c2cnccn2)cc1, NCc1ccc(-c2ccnc(F)c2)nc1 to produce O=C(NCc1ccc(-c2ccnc(F)c2)nc1)c1ccc(-c2cnccn2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.