Using CCC(=O)N1CC2CN(C(=O)c3ccc(Br)cc3)CC2C1, OB(O)c1ccc2cnccc2c1 to produce CCC(=O)N1CC2CN(C(=O)c3ccc(-c4ccc5cnccc5c4)cc3)CC2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.