Using COc1cc(C#N)c(CN2C(=O)c3ccccc3C2=O)cc1OC to produce N#Cc1cc(O)c(O)cc1CN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.