Using NCC1COc2ccccc2O1, Fc1ccc2[nH]cc(CCCBr)c2c1 to produce Fc1ccc2[nH]cc(CCCNCC3COc4ccccc4O3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.