Using C=CCOc1cc(C)ccc1-c1c(C(=O)C(=O)OCC)c(C)nc2sc3c(c12)CCCC3 to produce C=CCOc1cc(C)ccc1-c1c(C(O)C(=O)OCC)c(C)nc2sc3c(c12)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.