Using CC[B-](CC)CC, CCOC(=O)c1cnc2c(N)nc3cc(C)ccc3c2c1 to produce CCc1cnc2c(N)nc3cc(C)ccc3c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.