Using Cc1cc(-c2cnc3c(NCC(C)C)cc(Cl)nn23)ccc1C(=O)NC1CC1, OB(O)c1ccn[nH]1 to produce Cc1cc(-c2cnc3c(NCC(C)C)cc(-c4ccn[nH]4)nn23)ccc1C(=O)NC1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.