Using COc1cc(F)ccc1CNc1cc(Br)c2cc(Cl)ccc2n1, COCCN to produce COCCNc1cc(NCc2ccc(F)cc2OC)nc2ccc(Cl)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.