Using COc1ccc(Cc2ncnn2-c2cc(C#Cc3ccc(C)cn3)nc(C)n2)cc1OC to produce COc1ccc(Cc2ncnn2-c2cc(CCc3ccc(C)cn3)nc(C)n2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.