Using O=C1CCC(=O)N1Br, Cn1ccc2cc(F)c(OCc3ccccn3)nc21 to produce Cn1cc(Br)c2cc(F)c(OCc3ccccn3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.