Using CCOC(=O)CC(Sc1ccc2c(c1)OCC(=O)N2CCCNc1ccccn1)c1ccccc1 to produce O=C(O)CC(Sc1ccc2c(c1)OCC(=O)N2CCCNc1ccccn1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.