Using OB(O)c1ccccc1Cl, Cc1ccc(C(=O)NC2CC2)cc1-c1ccc2c(Cl)nncc2c1 to produce Cc1ccc(C(=O)NC2CC2)cc1-c1ccc2c(-c3ccccc3Cl)nncc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.