Using C#Cc1cnc2c(C)cc(OC(SC)C(=O)NC(C)(CO)COC)cc2c1 to produce C#Cc1cnc2ccc(OC(SC)C(=O)NC(C)(C=O)COC)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.