Using COCCc1nc2c(N)nc3cc(O)ccc3c2n1CC(C)(C)O, OCc1cccnc1 to produce COCCc1nc2c(N)nc3cc(OCc4cccnc4)ccc3c2n1CC(C)(C)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.