Using O=C=NCc1ccccc1, Nc1nonc1-c1noc(=O)n1-c1ccc(F)c(Br)c1 to produce O=C(NCc1ccccc1)Nc1nonc1-c1noc(=O)n1-c1ccc(F)c(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.