Using CC1(C)OB(c2cnc(N)c(-c3nc4ccccc4s3)c2)OC1(C)C, Brc1cnc(N2CCOCC2)s1 to produce Nc1ncc(-c2cnc(N3CCOCC3)s2)cc1-c1nc2ccccc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.