Using C#CCO, OCCn1nc(-c2ccccc2)c2c(Cl)c(-c3ccccc3)nnc21 to produce Cn1nc(-c2cccc(C#CCO)c2)c2c(Cl)c(-c3ccccc3)nnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.