Using COC(=O)CCc1ccc(OCc2cccc(Nc3ccccc3)c2)cc1, CCCBr to produce CCCN(c1ccccc1)c1cccc(COc2ccc(CCC(=O)O)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.