Using COC(=O)c1ccc(C)c(NC(=O)c2cc(N3CCC4(CC3)OCCO4)ccc2C)c1C to produce COC(=O)c1ccc(C)c(NC(=O)c2cc(N3CCC(=O)CC3)ccc2C)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.