Using Cc1cc(Br)c2c(c1)NCCO2, O=C(Cl)OCc1ccccc1 to produce Cc1cc(Br)c2c(c1)N(C(=O)OCc1ccccc1)CCO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.