Using COCCBr, OC(c1cccc(C2CCNCC2)c1F)C(F)(F)F to produce COCCN1CCC(c2cccc(C(O)C(F)(F)F)c2F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.