Using CCOC(=O)c1cc2c(OCc3csc(C)n3)cccc2n1C(=O)OC(C)(C)C to produce Cc1nc(COc2cccc3[nH]c(C(=O)O)cc23)cs1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.