Using COc1cccc(Sc2c(C(C)C)nc(COCc3ccccc3)n2Cc2ccncc2)c1 to produce COc1cccc(Sc2c(C(C)C)nc(CO)n2Cc2ccncc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.