Using c1ccc(COCC(OCc2ccccc2)c2ccc(OCc3ccc4ccccc4n3)cc2)cc1, O=C(O)CS to produce O=C(O)CSC(COCc1ccccc1)c1ccc(OCc2ccc3ccccc3n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.