Using O=S(=O)(O)O, CCCc1c(OCCCC#CC=O)ccc(C(C)=O)c1O to produce CCCc1c(OCCCC#CC(=O)O)ccc(C(C)=O)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.