Using O=C1NC(=O)c2ccccc21, Clc1cc(Cl)c(CCBr)c(Oc2cc(Cl)cc(Cl)c2CCBr)c1 to produce O=C1c2ccccc2C(=O)N1CCOc1cc(Cl)cc(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.