Using Brc1cccnc1Oc1ccc(Nc2nc3ccccc3[nH]2)cc1, CC1(C)OB(C2=CCOCC2)OC1(C)C to produce C1=C(c2cccnc2Oc2ccc(Nc3nc4ccccc4[nH]3)cc2)CCOC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.