Using CCCCc1nc(N)c2c(n1)c(C#CCCO)cn2COCc1ccccc1 to produce CCCCc1nc(N)c2c(n1)c(CCCCO)cn2COCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.