Using C[n+]1ccc2cc(O)ccc2c1, O=C1c2ccccc2C(=O)N1CCBr to produce C[n+]1ccc2cc(OCCN3C(=O)c4ccccc4C3=O)ccc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.