Using CCOC(C(=O)OC)c1c(C)nc2sc3c(c2c1-c1ccc(C)cc1)CCCC3 to produce CCOC(C(=O)O)c1c(C)nc2sc3c(c2c1-c1ccc(C)cc1)CCCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.