Using CCOC(=O)CCc1ccc2c(c1)nc(N)c1ncc(C#Cc3ccc(OCOC)cc3C)cc12 to produce CCOC(=O)CCc1ccc2c(c1)nc(N)c1ncc(CCc3ccc(OCOC)cc3C)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.