Using COc1cccc(B(O)O)c1, COC(=O)c1c[nH]nc1C(C)C to produce COC(=O)c1cn(-c2cccc(OC)c2)nc1C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.