Using O=C(Nc1ccc(C(=O)N2Cc3cccn3Cc3ccccc32)cn1)c1ccccc1Br to produce O=C(Nc1ccc(C(=O)N2Cc3cccn3Cc3ccccc32)cn1)c1ccccc1-c1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.