Using O=C(NC1CC1)c1ccc(F)c(O)c1, ClCc1cnc(Nc2ccccn2)s1 to produce O=C(NC1CC1)c1ccc(F)c(OCc2cnc(Nc3ccccn3)s2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.