Using O=C1CCC(=O)N1Br, COC(CN(Cc1ccccc1F)S(=O)(=O)c1ccc(C)cc1)OC to produce Fc1cccc2c(Br)cncc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.