Using COc1cc(OC)nc(C2(C#N)OC(=O)c3c(Cl)cccc32)n1, C1CCOC1 to produce COc1cc(OC)nc(C2(O)OC(=O)c3c(Cl)cccc32)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.