Using CCOC(=O)Cc1ccncc1, COc1ccc(Oc2c(C=O)sc3cc(OC)c(OC)cc23)cc1 to produce CCOC(=O)/C(=C/c1sc2cc(OC)c(OC)cc2c1Oc1ccc(OC)cc1)c1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.