Using FCCBr, Cc1nc2c3c(nn2c(C)c1Cl)CN(C(=O)c1ccc(F)cc1OC1CCNCC1)C3 to produce Cc1nc2c3c(nn2c(C)c1Cl)CN(C(=O)c1ccc(F)cc1OC1CCN(CCF)CC1)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.