Using COC(=O)c1ccc2c(N3CCN(C(=O)Nc4ccc(Oc5ccccc5)cc4)CC3)ncnc2c1 to produce O=C(O)c1ccc2c(N3CCN(C(=O)Nc4ccc(Oc5ccccc5)cc4)CC3)ncnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.