Using CCOC(=O)C[C@H](Cc1ccc(OCCc2ccc3c(n2)NCCC3)cc1)c1cccnc1 to produce O=C(O)C[C@H](Cc1ccc(OCCc2ccc3c(n2)NCCC3)cc1)c1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.