Using BrCc1ccccc1, O=C(Cc1cccc(O)c1)Nc1cccc2ccccc12 to produce O=C(Cc1cccc(OCc2ccccc2)c1)Nc1cccc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.